Transfers data from data.txt to the device's /path/to/destination directory.
Extract the archive to an easily accessible directory on your PC (e.g., C:\Modding\AT9Tool\ ).
at9tool.exe is Sony's proprietary command-line tool designed to encode audio to the ATRAC9 (Adaptive Transform Acoustic Coding 9) format and decode ATRAC9 files back to standard WAV. ATRAC9 is the audio format used by the PS Vita and PS4, and it is a descendant of the ATRAC3 and ATRAC3+ formats used for the PSP and PS3 consoles. at9tool.exe
is a specialized command-line utility used primarily for converting and inspecting ATRAC9 audio files . This executable is a cornerstone for developers, modders, and audio enthusiasts working with Sony hardware, particularly the PlayStation Vita and PlayStation 4 . What is at9tool.exe?
For specific games like Persona 4 Golden , you can use community scripts like AutoAT9Tools on GitHub to handle conversions automatically. Transfers data from data
The loop points do not align with the zero-crossings of the audio waveform.
This script will find every file ending in .at9 and convert it to a .wav file. ATRAC9 is the audio format used by the
: Open a standard, classic Command Prompt ( cmd.exe ) rather than PowerShell. Make sure you have changed directories ( cd ) to the exact folder where at9tool.exe and your music files are located before firing the command. Modern Alternatives: Moving Beyond CLI
: Creating custom background music (BGM) for PS Vita themes requires audio to be in the .at9 format.
audio format. If you’ve encountered this file, you're likely working with PlayStation 4 or PS Vita game files, as this is the standard audio codec for those platforms. What is it? The Core Function: It converts standard Wave ( ) files into Sony's proprietary format for use in games, and vice versa.